<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <script>
        console.log(sessionStorage.getItem("account"));
        console.log(sessionStorage.getItem("password"));
        let objJson = JSON.parse(sessionStorage.getItem("obj"));
        console.log(sessionStorage.getItem("obj"));
        console.log(objJson);
        console.log(objJson.name);
        let booksJson = JSON.parse(sessionStorage.getItem("books"));
        console.log(sessionStorage.getItem("books"));
        console.log(booksJson);
    </script>
</body>
</html>